From: Jeff Garzik <jeff@garzik.org>
To: Linas Vepstas <linas@austin.ibm.com>
Cc: akpm@osdl.org, Arnd Bergmann <arnd@arndb.de>,
netdev@vger.kernel.org, James K Lewis <jklewis@us.ibm.com>,
linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
Subject: Re: [PATCH 1/2]: powerpc/cell spidernet bottom half
Date: Wed, 16 Aug 2006 12:30:29 -0400 [thread overview]
Message-ID: <44E34825.2020105@garzik.org> (raw)
In-Reply-To: <20060816161856.GD20551@austin.ibm.com>
Linas Vepstas wrote:
> Please apply and forward upstream. This patch requires the previous
> sequence of 4 spidernet patches to be applied.
>
> --linas
>
>
> The recent set of low-waterark patches for the spider result in a
> significant amount of computing being done in an interrupt context.
> This patch moves this to a "bottom half" aka work queue, so that
> the code runs in a normal kernel context. Curiously, this seems to
> result in a performance boost of about 5% for large packets.
>
> Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
> Cc: Utz Bacher <utz.bacher@de.ibm.com>
> Cc: Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
Let's not reinvented NAPI, shall we...
Jeff
next prev parent reply other threads:[~2006-08-16 16:30 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-11 17:03 [PATCH 0/4]: powerpc/cell spidernet ethernet driver fixes Linas Vepstas
2006-08-11 17:06 ` [PATCH 1/4]: powerpc/cell spidernet burst alignment patch Linas Vepstas
2006-08-11 17:08 ` [PATCH 2/4]: powerpc/cell spidernet low watermark patch Linas Vepstas
2006-08-16 23:43 ` Benjamin Herrenschmidt
2006-08-18 19:23 ` Linas Vepstas
2006-08-18 21:25 ` David Miller
2006-08-18 22:46 ` Linas Vepstas
2006-08-18 22:51 ` David Miller
2006-08-18 23:29 ` Linas Vepstas
2006-08-18 23:45 ` Linas Vepstas
2006-08-19 4:33 ` Benjamin Herrenschmidt
2006-08-22 0:13 ` Linas Vepstas
2006-08-22 0:30 ` David Miller
2006-08-19 4:31 ` Benjamin Herrenschmidt
2006-08-11 17:09 ` [PATCH 3/4]: powerpc/cell spidernet stop error printing patch Linas Vepstas
2006-08-11 17:11 ` [PATCH 4/4]: powerpc/cell spidernet ethtool -i version number info Linas Vepstas
2006-08-11 18:00 ` Olof Johansson
2006-08-11 18:50 ` James K Lewis
2006-08-11 19:46 ` Linas Vepstas
2006-08-15 19:05 ` Olof Johansson
2006-08-16 0:29 ` Michael Ellerman
2006-08-11 17:42 ` [PATCH 0/4]: powerpc/cell spidernet ethernet driver fixes jschopp
2006-08-11 17:44 ` Sam Ravnborg
2006-08-11 19:31 ` Linas Vepstas
2006-08-11 20:27 ` Arnd Bergmann
2006-08-16 16:18 ` [PATCH 1/2]: powerpc/cell spidernet bottom half Linas Vepstas
2006-08-16 16:30 ` Jeff Garzik [this message]
2006-08-16 20:30 ` Linas Vepstas
2006-08-16 20:34 ` Jeff Garzik
2006-08-16 20:46 ` David Miller
2006-08-16 21:24 ` Arnd Bergmann
2006-08-16 21:32 ` David Miller
2006-08-16 22:16 ` Arnd Bergmann
2006-08-16 22:29 ` David Miller
2006-08-16 22:47 ` Arnd Bergmann
2006-08-16 23:30 ` Linas Vepstas
2006-08-16 23:32 ` David Miller
2006-08-17 0:23 ` Linas Vepstas
2006-08-16 23:24 ` Linas Vepstas
2006-08-16 22:55 ` Linas Vepstas
2006-08-16 23:03 ` Arnd Bergmann
2006-08-16 23:47 ` Linas Vepstas
2006-08-16 23:08 ` Rick Jones
2006-08-16 21:58 ` Linas Vepstas
2006-08-16 16:23 ` [PATCH 2/2]: powerpc/cell spidernet refine locking Linas Vepstas
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